Is the failure mode likely to reoccur?

For most residential home scenarios I guess that's unlikely; wouldn't it be more convenient long term to fix the broken glazed window and enjoy its benefits for the next 10-20 years [1]?

[1]: "IG units typically last from 10 to 25 years, with windows facing the equator often lasting less than 12 years. IGUs typically carry a warranty for 10 to 20 years depending upon the manufacturer.", https://en.wikipedia.org/wiki/Insulated_glazing#Longevity